Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.792294E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T14:01:26+0800
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    1 Object 1

    AOE ID 38840
    NORAD ID 38840
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43171
    NORAD ID 43171
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NOAA 8 DEB YAOGAN-30 L
    Time of Closest Approach 2026-10-21T22:17:28+0000
    Collision Probability (Pc) 6.792294E-5
    Conjunction Distance (km) 0.716 km
    Relative Speed (km/s) 11.576 km/s
    Conjunction Risk Parameters R (Radial): 0.665 | I (In-track): -0.178 | C (Cross-track): -0.196
    Collision Risk Index (CRI) 0.72
    X Position (km) -5603.652 -5604.096
    Position Y (km) -915.191 -915.1
    Position Z (km) 3970.777 3971.33
    Velocity X (km/s) -4.452 1.164
    Velocity Y (km/s) 0.633 -7.497
    Velocity Z (km/s) -6.112 -0.082

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 8 DEB YAOGAN-30 L
    Semimajor Axis (a) 6933.884 km 6935.202 km
    Eccentricity (e) 0.000685 0.000192
    Inclination (i) 98.3354° 34.9941°
    RAAN 1.7988° 104.1217°
    Perigee Argument 94.3672° 330.5198°
    Mean Anomaly (M) 331.1459° 29.5402°
    Apogee 560.499 km 558.400 km
    Perigee 550.995 km 555.730 km
    Orbit Epoch 2026-10-20T10:48:19+0000 2026-10-20T21:58:41+0000

    NOAA 8 DEB & YAOGAN-30 L Collision Probability (Pc) Trend

    NOAA 8 DEB & YAOGAN-30 L Collision Probability (Pc) TrendNot Available

    NOAA 8 DEB & YAOGAN-30 L Miss Distance (Miss Distance) Trend

    NOAA 8 DEB & YAOGAN-30 L Miss Distance (Miss Distance) TrendNot Available

    NOAA 8 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-30 LMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 8 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-30 LCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 8 DEB

    No nearby objects data